German MN copper ion detection test paper 91304

Copper test strip

Product Code:91304

Detection range: 0-10-30-100-300mg/l

usage method:

Take out the test strip and immediately cover the bottle cap after taking it out. Do not touch the testing area. Immerse the test strip into the solution to be tested(PH2-6)—about1Second, shake off the excess solution.20After seconds, compare the test area with the standard color card. In the presence of copper, the test paper will turn purple red.

Interference:

PHvalue<2The strong acid needs to be adjusted with crystalline sodium acetatePHThe value is2-6This range. The high concentration copper solution must be diluted to limit the color change of the test strip within the display range of the color chart.

When calculating the concentration of copper, the dilution factor must be considered.

Storage:

Avoid placing the test strip in a sunny and humid environment. Should be stored+30Dry environment at ℃.